86416 ⎘
Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents Softening water by precipitation of the hardness
Sub-classes:Systems and Methods for Water Treatment Using Ion Exchange and Water Softening Techniques
#2DESALINATION OF HIGH SALINITY PRODUCED WATER USING A ULTRA HIGH PRESSURE REVERSE OSMOSIS MEMBRANE
#3SYSTEMS AND METHODS FOR OPTIMIZATION OF CONNECTED WATER DEVICES
#4ELECTROCHEMICAL WATER TREATMENT METHOD USING SELECTIVE ION SEPARATION
#5METHOD AND APPARATUS FOR TREATING NATURAL GAS AND OIL WELL WASTE WATERS FOR REMOVAL OF CONTAMINANTS AND DISSOLVED SOLIDS
#6WATER SOFTENING DEVICE
#7COMBINED METHOD FOR CARBON SEQUESTRATION AND WATER TREATMENT BY ELECTROCHEMICAL DEPOSITION
#8METHOD AND SYSTEM FOR RESOURCE TREATMENT OF REVERSE OSMOSIS CONCENTRATED BRINE BY BIPOLAR MEMBRANE ELECTRODIALYSIS
#9METHOD AND SYSTEM FOR TREATMENT OF BRACKISH WATER INLAND DESALINATION BRINE
#10PROCESS FOR PRODUCING GEOTHERMAL POWER, SELECTIVE REMOVAL OF SILICA AND IRON FROM BRINES, AND IMPROVED INJECTIVITY OF TREATED BRINES
#11ADAPTIVE DESCALING USING LOCATION DATA
#12WATER TREATMENT METHOD AND WATER TREATMENT APPARATUS
#13REMOVAL OF HARDNESS USING TEMPLATE ASSISTED CRYSTALLIZATION FOR ELECTRODIALYSIS DESALINATION OF SALINE WATER
#14METHODS FOR REMOVING POTASSIUM, RUBIDIUM, AND CESIUM, SELECTIVELY OR IN COMBINATION, FROM BRINES AND RESULTING COMPOSITIONS THEREOF
#15SYSTEMS AND METHODS FOR TREATMENT OF HARD WATER
#16ON-DEMAND WATER TREATMENT SYSTEM
#17Production of barium sulfate and fracturing fluid via mixing of produced water and seawater
#18WATER SOFTENING SYSTEM AND WATER SOFTENING DEVICE
#19Ion removal system
#20Treatment process for produced water and blowdown water
#21System and method of water rejuvenation for the regeneration of sorbent filters
#22Fluidized bed pellet reactor water softener and process for softening water
#23METHOD OF CONTROLLING SCALE IN AQUEOUS SYSTEMS
#24Method for removing calcium ions from high concentration organic wastewater
#25Methods and Systems for Treating Phosphogypsum-Containing Water
#26SYSTEMS AND METHODS FOR OPTIMIZATION OF CONNECTED WATER DEVICES
#27WATER DELIVERY SYSTEM FOR DELIVERING DEMINERALIZED WATER TO A COMBUSTION ENGINE, AND DEMINERALIZATION APPARATUS
#28Use of percarboxylic acids for scale prevention in treatment systems
#29Determination of water treatment parameters based on absorbance and fluorescence
#30Ion-exchange resin regeneration system
#31Ion removal device
#32Method for continuous supply of superoxide-containing peracetate oxidant solution
#33Process for producing geothermal power, selective removal of silica and iron from brines, and improved injectivity of treated brines
#34WATER TREATMENT PROCESS
#35Ion removing system
#36Ion removing system
#37Multi-pollutant exhaust treatment using seawater for marine applications
#38WATER TREATMENT PROCESS
#39Methods and apparatus for controlling water hardness
#40METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS
#41Fluidized bed pellet reactor water softener and process for softening water
#42Filtering a Fluid
#43Systems and methods for desalinating water
#44System and method for removal of scale forming components
#45Method for softening lithium brine using nanofiltration
#46Production of ultra-high-density brines using transiently-operated desalination systems
#47Compositions and methods for scale inhibition
#48QCM measurement of scale formation
#49System and process for treating produced and frac flowback waters
#50Water treatment unit
#51Method and apparatus for treating natural gas and oil well waste waters for removal of contaminants and dissolved solids
#52Systems and method for oxidative treatment utilizing reactive oxygen species and applications thereof
#53Scale reduction cartridge system
#54Method and device for the production of drinking water with high silicate content
#55Selective scaling in desalination water treatment systems and associated methods
#56Aircraft
#57Production of ultra-high-density brines using transiently-operated desalination systems
#58Corrosion inhibition in hydrothermal processing
#59ZINC ION WATER TREATMENT DEVICE AND MANUFACTURING METHOD THEREFOR
#60SUPERCRITICAL VESSEL AND RELATED METHODS OF SEPARATING DISSOLVED SOLIDS FROM A FLUID
#61Submerged membrane filtration system using reciprocating membrane
#62Methods and compositions for clarifying produced waters for boiler feed waters
#63System and method for removal of scale forming components
#64Filtration system for pet water fountain
#65Determination of water treatment parameters based on absorbance and fluorescence
#66Water treatment systems and methods
#67Production of ultra-high-density brines using transiently-operated desalination systems
#68Method for improving performance of fluid processing system based on crystallization promoting medium
#69Method and device for water treatment using radio waves
#70Submerged membrane filtration system using reciprocating membrane
#71Water treatment system and power generation facility
#72Treatment of OTSG blowdown
#73Transiently-operated desalination systems with heat recovery and associated methods
#74Transiently-operated desalination systems and associated methods
#75Device and method for controlling deposit formation
#76Self-regenerating anion exchange process for treating shale gas flowback waste water
#77Side-stream Particle Precipitator Apparatus and System for Condenser Open Loop Cooling System
#78Production of ultra-high-density brines
#79A METHOD FOR TREATING ALKALINE BRINES
#80Method for the treatment of metals
#81Compositions and methods for scale inhibition
#82SCALE TREATMENT APPARATUS
#83Osmotic separation systems and methods
#84SYSTEM FOR REMOVING CHEMICALS FROM A WORKING FLUID, AND METHODS RELATED TO THE SAME
#85Use of percarboxylic acids for scale prevention in treatment systems
#86SULFATE MOLECULE REMOVAL THROUGH INORGANIC OR DIVALENT ION NUCLEI SEEDING
#87METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS
#88Bioelectrochemical system having polyvalent ion removing function
#89Selective scaling in desalination water treatment systems and associated methods
#90Selective scaling in desalination water treatment systems and associated methods
#91Determination of water treatment parameters based on absorbance and fluorescence
#92Wastewater treatment processes employing high rate chemical softening systems
#93Systems and method of water treatment utilizing reactive oxygen species and applications thereof
#94System and method for softening water for use in a scrubber
#95System and a process for water descaling
#96PROCESS FOR TREATING WATERS PRODUCED OR COLLECTED FROM THE OIL EXTRACTION IN MINING OPERATIONS AND REDUCING THE TENDENCY OF CALCIUM SCALING OF PROCESS EQUIPMENT
#97METHOD FOR IMPROVING THE PERCENT RECOVERY AND WATER QUALITY IN HIGH TOTAL HARDNESS WATER
#98Fluid treatment system
#99Scale suppression apparatus, geothermal power generation system using the same, and scale suppression method
#100Desalination systems and associated methods
#101WATER TREATMENT PROCESS AND WATER TREATMENT SYSTEM
#102Treatment of aqueous solutions
#103Process for producing geothermal power, selective removal of silica and iron from brines, and improved injectivity of treated brines
#104Technique for removal of organics and dissolved solids from aqueous medias via supercritical treatment
#105Water purification system and process with water pretreatment apparatus
#106Treated geothermal brine compositions with reduced concentrations of iron and silica
#107Method and apparatus for treating natural gas and oil well drilling waste water
#108Heavy metal removal from waste streams
#109APPARATUS AND METHOD FOR WATER TREATMENT MAINLY BY SUBSTITUTION USING A DYNAMIC ELECTRIC FIELD
#110Selective Removal of Silica from Silica Containing Brines
#111Process for treating fluids
#112High rate chemical softening process
#113Method for removing calcium, barium, magnesium and strontium from frac flowback
#114Methods and Compositions For the Prevention of Struvite Scale Formation In Wastewater Systems
#115SURGE PROTECTED DEVICES AND METHODS FOR TREATMENT OF WATER WITH ELECTROMAGNETIC FIELDS
#116PROCESS FOR WATER SOFTENING
#117METHOD AND APPARATUS FOR TREATING NATURAL GAS AND OIL WELL DRILLING WASTE WATER
#118System for removing chemicals from a working fluid, and methods related to the same
#119Osmotic separation systems and methods
#120COOLING SYSTEM AND METHOD FOR THE OPERATION THEREOF
#121Sulfate molecule removal through inorganic or divalent ion nuclei seeding
#122Water treatment using a bipolar membrane
#123METHOD AND SYSTEM FOR REDUCTION OF SCALING IN PURIFICATION OF AQUEOUS SOLUTIONS
#124Process for enhanced oil recovery using the ASP technique
#125SYSTEM FOR PURIFYING LIQUIDS
#126Controlled method of minimizing radioactive sludge generation in post stimulation flowback and/or produced water treatment from a saltwater, oil and/or gas well
#127METHOD OF REDUCING CORROSION USING A WAREWASHING COMPOSITION
#128Heavy metal removal from waste streams
#129Precipitation of hardness salt in flow back and produced water
#130Treatment of wastewater
#131Configurations and Methods of Treatment of Silicate-Containing Waste Streams
#132ELECTROCOAGULATION DEVICES AND METHODS OF USE
#133Service crane for a wind turbine
#134Gasification grey water treatment systems
#135CLEANING COMPOSITIONS CONTAINING WATER SOLUBLE MAGNESIUM COMPOUNDS AND METHODS OF USING THEM
#136Sulfate removal from water sources
#137Compact wastewater concentrator and contaminant scrubber
#138Purification of water from cooling towers and other heat exchange systems
#139METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS
#140CATALYTIC WATER TREATMENT METHOD AND APPARATUS
#141Water Integration Between An In-Situ Recovery Operation And A Bitumen Mining Operation
#142METHOD, INSTALLATION AND SYSTEM FOR MEASURING AND/OR TREATING CONTAMINATING COMPOUNDS DISSOLVED IN A LIQUID
#143Cleaning compositions containing water soluble magnesium compounds and methods of using them
#144PROCESS FOR THE RECOVERY OF MAGNESIUM FROM A SOLUTION AND PRETREATMENT
#145Method and apparatus for changeover of container in a fluid dispenser
#146System and method for softening water for use in a scrubber
#147Modified polysaccharides
#148Compositions including hardness ions and gluconate and methods employing them to reduce corrosion and etch
#149REVERSE OSMOSIS ENHANCED RECOVERY HYBRID PROCESS
#150APPARATUS AND PROCESS FOR WATER CONDITIONING
#151Apparatus for treating water or wastewater
#152METHODS AND SYSTEMS FOR PROCESSING WASTE WATER
#153Cooling water scale inhibition method
#154Compositions including hardness ions and gluconate and methods employing them to reduce corrosion and etch
#155FLUIDIZED BED APPARATUS AND METHOD FOR REMOVING SOLUBLE AND PARTICULATE MATTER FROM A LIQUID
#156PLANT FOR THE DESALINATION/PURIFICATION OF BRACKISH WATER AND INDUSTRIAL WASTE WITH ZERO LIQUID DISCHARGE
#157Compositions including magnesium ion, calcium ion, and silicate and methods employing them to reduce corrosion and etch
#158Compositions including hardness ion and threshold agent and methods employing them to reduce corrosion and etch
#159Compositions including Ca and Mg ions and gluconate and methods employing them to reduce corrosion and etch
#160Cleaning compositions with water insoluble conversion agents and methods of making and using them
#161Cleaning compositions containing water soluble magnesium compounds and methods of using them
#162WATER TREATMENT SYSTEM AND DOWNSTREAM CLEANING METHODS
#163Mg++ chemistry and method for fouling inhibition in heat processing of liquid foods and industrial processes
#164COMPOSITION FOR IN SITU MANUFACTURE OF INSOLUBLE HYDROXIDE WHEN CLEANING HARD SURFACES AND FOR USE IN AUTOMATIC WAREWASHING MACHINES AND METHODS FOR MANUFACTURING AND USING
#165Method of reducing corrosion using a warewashing composition
#166WATER SOLUBLE MAGNESIUM COMPOUNDS AS CLEANING AGENTS AND METHODS OF USING THEM
#167Arrangements to reduce hardness of water in a hot water system
#168Method and apparatus for removing minerals from a water source
#169Electronic pool water treatment system
#170Electronic pool water treatment system
#171Device and Method for Purifying Waste Water
#172Method and apparatus for removing minerals from a water source
#173Apparatus and process for water conditioning
#174Method for removing at least one constituent from a solution
#175Water cleaning method and apparatus using trace quantities of zinc and at least one other biocide
#176METHOD OF AERATING WATER TO PROMOTE OXIDATION OF AN IODINE-RELATED SPECIES
#177Apparatus and process for water conditioning
#178COMBINING WATERBORNE BIONUTRIENTS WITH SCALE PARTICLES AND USE OF A WATERBORNE PARTICLE REMOVER TO REMOVE THE COMBINED PARTICLES FROM THE WATER
#179Combining waterborne bionutrients with scale particles and use of a waterborne particle remover to remove the combined particles from the water
#180Water precipitation softening system for detergents, bleaching agents and machine and hand dishwashing agents
#181Modified polysaccharides
#182Methods, devices and compounds for dosing corrosion inhibitors cleaners and softening resins to water systems
#183Cooling water corrosion inhibition method
#184Apparatus and system for removing scale causing chemicals in hot water systems
#185Cooling system and method for using cooling system
#186Apparatus and process for water conditioning
#187Combined electrochemical system for scale treatment and eradicating bacteria in water supply systems
#188Electrochemical water purification system and method
#189Method of treating mine drainage
#190Water treatment apparatus and method
#191Recycling produced water for hydrocarbon and mineral co-production
#192Waste water treatment to reduce BOD/COD
#193Multi-pollutant exhaust treatment using seawater for marine applications
#194Vertical integration of source water desalination
#195Treatment of saline streams
#196Transiently-operated desalination systems with heat recovery and associated methods
#197Effective de-scaling for desalination plants and a new brine-forward multi-stage flash concept